Mercy of Seth stacking

Blooded Sand wrote: Guillaime is pretty good for this, actually. path of bone is epic, he gets dbl use from all cept locations, and he is a big bugger

So the plan is to devote 1 or more master slots to Path of Bone and stuff your library with Mercy of Seth? All this so you can deal damage well after combat has ended? And meanwhile your star vampire has superior potence and celerity?